・Orders are generally shipped on the same day if payment is received by 12:00 PM, but for postal drop-offs, the deadline is 9:00 AM on weekends and holidays. ・Support information will be provided after purchase if needed, as discussed in "Mamushi's Flea Market Talk." If you are interested, please search for "The Reality of De'Longhi Extraction O-Ring Sizes: A Summary" before purchasing. In conclusion, this size fits the diameter perfectly, but while it's optimal for the generator, it's a snug fit for the extraction unit, so greasing is necessary for load distribution. Reference) ESAM Extraction Unit Breakdown Diagram https://www.ropressocafe.ro/piese-espressoare/delonghi/magnifica-esam/garnitura-grup-si-contrapiston-delonghi-magnifica-rosie-5332149100-p726/ ECAM Extraction Unit Breakdown Diagram https://www.ropressocafe.ro/piese-espressoare/delonghi/magnifica-esam/garnitura-grup-si-contrapiston-aparate-de-cafea-cu-rasnita-delonghi-originala-neagra-5313238581-p45619/